a tropical American shrub that is widely grown for its leaves, which are the source of cocaine 古柯
Erythroxylum coca, family Erythroxylaceae 拉丁名Erythroxylum coca,古柯科 ■[mass noun]the dried leaves of this shrub, which are mixed with lime and chewed as a stimulant by the native people of western South America 古柯叶(南美西部土著将它与酸橙汁混合后当作兴奋剂咀嚼)
语源
late 16th cent.: from Spanish, from Aymara kuka or Quechua koka